CN104898060B - The anti-loaded device for fast detecting of stator coil - Google Patents
The anti-loaded device for fast detecting of stator coil Download PDFInfo
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- CN104898060B CN104898060B CN201510339953.5A CN201510339953A CN104898060B CN 104898060 B CN104898060 B CN 104898060B CN 201510339953 A CN201510339953 A CN 201510339953A CN 104898060 B CN104898060 B CN 104898060B
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- stator coil
- shaft coupling
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- supporting table
- motor
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Abstract
The invention discloses a kind of anti-loaded device for fast detecting of stator coil and detection methods, including supporting table, it is installed in the motor of the supporting table lower surface, the power output shaft of motor is connected with shaft coupling, coupler hole is provided in supporting table, shaft coupling passes through the coupler hole and extends to above the upper surface of supporting table, the free end of the shaft coupling is fixed with two-way Hall sensor, the upper surface of the supporting table is installed with reset switch, it is installed with bulge-structure on the shaft coupling, coupler hole is installed with the support ring frame for being used to support stator coil described in the upper table face ring of supporting table, reset switch, motor, and two-way Hall sensor is electrically connected with the controller respectively.The detection device of the present invention, the waveform by analyzing electric signal judges the information in stator coil magnetic field, and then whether can detect stator coil anti-loaded, structure of the detecting device is simple, directly stator coil is detected, is not in just to find anti-loaded problem after being assembled into motor, detects rapid and convenient.
Description
Technical field
The invention belongs to stator coil detection devices, specifically, being to be related to a kind of anti-loaded quick detection dress of stator coil
It sets and detection method.
Background technology
Asynchronous machine in process of production, due to the error of direct labor, it is possible to occur stator winding all or part
Motor start-up difficulty, motor reversal, that group of reversed element occur for the phenomenon that de-embedding or winding draw wiring error
Electric current bigger in winding, motor are abnormal sound and acutely shake.If power-off is shut down not in time, electrical speed declines,
Motor stator winding can be burned out quickly.
Stator winding is that the chief component of motor and motor are easiest to damage and cause the component of failure.It is existing
Some detection methods need to remove motor in practical applications, often in production application, or until motor generates failure
It can find winding mistake.Mainly after motor failure, motor stator is taken out for detection method, accesses DC power supply
Afterwards, using needle to determine whether there are winding de-embeddings so that there is hysteresis quality, motor to remove and re-assembly greatly for detection
It wastes time and energy.
Another detection method is needle test method at present, and the method effect of needle test also has certain limitation,
Larger voltage and the needle of relatively high magnetism are needed, in practical application and production, the validity and poor in timeliness of detection, significantly
Reduce efficiency.
Invention content
The present invention is existing without a kind of anti-loaded device for fast detecting of stator winding in order to solve the problems, such as, it is proposed that Yi Zhongding
The anti-loaded device for fast detecting of subcoil and detection method, can solve the above problems.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following scheme：
A kind of anti-loaded device for fast detecting of stator coil, including supporting table, are installed in the motor of the supporting table lower surface,
The power output shaft of motor is connected with shaft coupling, and coupler hole is provided in the supporting table, and the shaft coupling passes through the shaft coupling
Device hole simultaneously extends to above the upper surface of supporting table, and the free end of the shaft coupling is fixed with two-way Hall sensor, the branch
The upper surface of support platform is installed with reset switch, bulge-structure is installed on the shaft coupling, the shaft coupling is according to direction initialization
When turning an angle, the bulge-structure can trigger the reset switch, coupler hole described in the upper table face ring of supporting table
Be installed with the support ring frame for being used to support stator coil, the reset switch, motor and two-way Hall sensor respectively with control
Device electrical connection processed.
Further, coupler hole described in ring is provided with circular arc cutaway in the supporting table, and the circular arc cutaway is located at
On the inside of the support ring frame, the reset switch is located at the wherein an end portion of the circular arc cutaway, the stator coil dress
Anti- device for fast detecting further includes guide pin, and described guide pin one end is fixed with the shaft coupling, and other end is bent downward simultaneously
It stretches in the circular arc cutaway, the connection electric wire between two-way Hall sensor and controller is fixed on the guide pin
On.
Further, the outer surface of the two-way Hall sensor is also arranged with protective cover.
Further, the motor is stepper motor.
Further, the controller is DSP signal processors, and the two-way Hall sensor output detection signal is successively
The DSP signal processors are sent to after amplifying circuit, analog to digital conversion circuit.
Further, the bulge-structure is screw.
Further, the support ring frame includes supporting rack and is installed in the support ring of support frame as described above upper surface, described
Supporting rack is installed on the upper surface of the supporting table, and the support ring is cyclic structure, and the inner ring surface of the support ring has
It is used to support the boss of stator coil.
The present invention proposes a kind of anti-loaded rapid detection method of stator coil, including front any one of them stator simultaneously
The anti-loaded device for fast detecting of coil, tested stator coil are supported on the support ring frame, and the detection method includes following step
Suddenly：
（1）, motor driving shaft coupling according to towards the direction of reset switch rotate, the bulge-structure being installed on shaft coupling
Reset switch is touched, the reset switch sends reset signal to controller, and controller record current location is start bit
It sets；
（2）, for tested stator coil apply direct current, be tested in stator coil and generate stationary magnetic field, motor drives shaft coupling
Device drives two-way Hall sensor to rotate 180 degree according to negative direction, and the two-way Hall sensor detection is tested in stator coil
Magnetic direction, and be converted to electric signal and be sent to the controller, the controller judges tested according to the waveform of electric signal
Whether stator coil is anti-loaded.
Further, in the step（1）Further include the steps that the reference waveform in measurement standard stator coil magnetic field before,
The step（2）In, the controller compares the waveform of tested stator coil with reference waveform, judges that measuring subcoil is
It is no anti-loaded.
Further, the step（2）In, controller compares the waveform of tested stator coil with reference waveform,
Whether whether the magnitude of field intensity, direction in same angle unanimously qualified to judge to be tested stator, if measured sub-line
The same winding of circle same angular interval magnetic field strength differences are larger or direction on the contrary, then judge windings section it is anti-loaded or
It is all anti-loaded；If mistake occurs for the waveform phase relationship between the different windings of tested stator coil, judge that this is measured
Magnetic field rotation direction mistake occurs for subcoil.
Compared with prior art, the advantages and positive effects of the present invention are：The anti-loaded quick detection of stator coil of the present invention
Device detects stator coil Magnetic Field, and be converted to electric signal, by analyzing telecommunications by the way that two-way Hall sensor is arranged
Number waveform judge the information in stator coil magnetic field, and then can detect whether stator coil anti-loaded, and structure of the detecting device is simple,
Directly stator coil is detected, is not in just to find anti-loaded problem after being assembled into motor, detects rapid and convenient.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of part-structure signal of embodiment of the anti-loaded device for fast detecting of stator coil proposed by the invention
Figure；
Fig. 2 is a kind of cross section view of embodiment of the anti-loaded device for fast detecting of stator coil proposed by the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one, the present embodiment propose a kind of anti-loaded device for fast detecting of stator coil, as shown in Figure 1, including branch
Platform 10 is supportted, is installed in the motor 11 of 10 lower surface of the supporting table, the power output shaft 110 of motor is connected with shaft coupling 12, institute
It states and is provided with coupler hole 101 in supporting table, the shaft coupling 12 passes through the coupler hole 101 and extends to the upper of supporting table 10
The free end of surface, the shaft coupling 12 is fixed with two-way Hall sensor 13, and the upper surface of the supporting table 10 is fixed
There is reset switch 14, bulge-structure 15 is installed on the shaft coupling 12, the shaft coupling 12 rotates certain according to direction initialization
When angle, the bulge-structure 15 can trigger the reset switch 14, coupler hole 101 described in the upper table face ring of supporting table 10
It is installed with the support ring frame 17 for being used to support stator coil 16, the reset switch 14, motor 11 and two-way Hall sensor
13 respectively with controller（Due to being not shown in angle cause chart 1）Electrical connection.The anti-loaded quick detection of stator coil of the present embodiment
Device detects stator coil Magnetic Field, and be converted to electric signal, by analyzing telecommunications by the way that two-way Hall sensor is arranged
Number waveform judge the information in stator coil magnetic field, and then can detect whether stator coil anti-loaded, and structure of the detecting device is simple,
Directly stator coil is detected, is not in just to find anti-loaded problem after being assembled into motor, and then it can be to avoid the prior art
In need to remove motor, or winding mistake can be found until motor leads to the problem of failure.Entire detection process quilt
It measures subcoil to be placed on support ring frame 17, without rotation, two-way Hall sensor is driven by shaft coupling 12 by motor 11
13 rotations.Controller can be analyzed with automatic decision, and detection is reliable efficient, and stator coil facilitates installation to detect, and rapid and convenient can
To greatly improve detection efficiency.
Since two-way Hall sensor 13 needs to connect with controller by electric wire, two-way Hall sensor 13 is with shaft coupling
Device 12 is positive either to rotate backward electric wire also accordingly as two-way Hall sensor 13 is positive or rotates backward, if things go on like this,
Electric wire is easy tangled up and knotted, influences service life, as a preferred embodiment, as shown in Figure 1, ring in the supporting table 10
The coupler hole 101 is provided with circular arc cutaway 102, and the circular arc cutaway 102 is located at 17 inside of the support ring frame, and position
In 101 outside of coupler hole, the reset switch 14 is located at the wherein an end portion of the circular arc cutaway 102, the present embodiment
The anti-loaded device for fast detecting of stator coil further include guide pin 18,18 one end of the guide pin is fixed with the shaft coupling 12,
Other end bends downward and stretches in the circular arc cutaway 102, the company between two-way Hall sensor 13 and controller
It connects wires and is fixed on the guide pin 18, guide pin 18 can be rotated together with shaft coupling 12, and rotation section is limited to
Can be that electric wire plays guiding by fixing the electric wire of two-way Hall sensor 13 and guide pin 18 in circular arc cutaway 102
Effect, the situation of the wire intertwist in 12 rotation process of shaft coupling can be effectively prevent to occur.
The outer surface of the two-way Hall sensor 13 is also arranged with protective cover 19, and the protective cover 19 is preferably using insulation etc.
The higher nylon of grade is process, and has following two effects：（1）Hall sensor 13 is protected, when preventing Hi-pot test, access
The stator 16 of high-pressure side is contacted with Hall sensor 13 causes Hall sensor 13 to be damaged by high pressure；（2）Guiding role, protective cover
19 outer diameter is process according to the internal diameter of tested stator 16, after stator 16 is placed on protective cover 19 by when test, you can is ensured
All stators 16 are consistent with the relative position of Hall sensor 13, ensure the consistency of test effect.
In the present embodiment, bulge-structure 15 is used for touching reset switch 14 in 12 rotation process of shaft coupling
Initial position is demarcated in controller, is realized for convenience, the preferably described bulge-structure 15 is screw, by it along the diameter of shaft coupling 12
To shaft coupling is partially submerged into, the part that outside is stretched out can touch reset switch 14 when shaft coupling 12 rotates.It needs to illustrate
, when shaft coupling 12 drives bulge-structure 15 and guide pin 18 to be moved towards reset switch 14, bulge-structure 15 touches first
Encounter reset switch 14, that is, completes to reset, therefore guide pin 18 at least has some distances apart from circular arc cutaway 102 at this time.
Two-way Hall sensor 13 can be driven to rotate accurate step number in order to facilitate motor, the motor is preferably using step
Stepper motor is realized.
As shown in Fig. 2, the support ring frame 17 includes supporting rack 171 and the branch for being installed in 171 upper surface of support frame as described above
Pushing out ring 172, support frame as described above 171 are installed on the upper surface of the supporting table 10, and the support ring 172 is cyclic structure, institute
There is the inner ring surface for stating support ring 172 boss 173 for being used to support stator coil 16,173 distance protection cover 19 of boss to have sky
Gap, stator coil 16 are sleeved on outside protective cover 19, are supported by boss 173, can freely stator coil 16 be installed or be taken
Under.
The controller is DSP signal processors, and the output of the two-way Hall sensor 13 detection signal is successively through amplification
The DSP signal processors are sent to after circuit, analog to digital conversion circuit.
The anti-loaded device for fast detecting of stator coil based on embodiment one, it is anti-loaded that the present embodiment proposes a kind of stator coil
The anti-loaded device for fast detecting of stator coil in rapid detection method, including embodiment one, tested stator coil 16 are supported on institute
It states on support ring frame, described detection method includes the following steps：
S1, motor 11 drive shaft coupling 12 to be rotated according to towards the direction of reset switch 14, are installed on shaft coupling 12
Bulge-structure 15 touches reset switch 14, and the reset switch 14 sends reset signal to controller, and the controller record is worked as
Anteposition is set to initial position；
S2, apply direct current for tested stator coil 16, be tested in stator coil 16 and generate stationary magnetic field, motor 11 drives
Shaft coupling 12 drives two-way Hall sensor 13 to rotate 180 degree according to negative direction, and the detection of two-way Hall sensor 13 is tested
Magnetic direction in stator coil 16, and be converted to electric signal and be sent to the controller, the controller is according to electric signal
Waveform judges whether tested stator coil is anti-loaded.
Further include the reference waveform in measurement standard stator coil magnetic field before the step S1 it is preferred that in the present embodiment
The step of, in the step S2, the controller compares the waveform of tested stator coil with reference waveform, judges to measure son
Whether coil is anti-loaded.
Wherein, in the step S2, controller compares the waveform of tested stator coil with reference waveform, at same angle
Whether magnitude of field intensity, direction on degree unanimously judge whether tested stator is qualified, if tested stator coil is same
Winding is same angular interval magnetic field strength differences are larger or direction on the contrary, then judging that windings section is anti-loaded or all anti-loaded；
If mistake occurs for the waveform phase relationship between the different windings of tested stator coil, judge that this is tested stator coil
Magnetic field rotation direction mistake.
Driving circuit driving motor 11 rotates 180 °, and two-way Hall sensor 13 is preferably symmetrical two-way hall sensing
Therefore device only need to rotate 180 °, wherein detecting 0-180 ° of magnetic field all the way, in addition can detect the magnetic on the roads 180-360 all the way
, you can survey 16 1 weeks magnetic field rotation directions of full stator coil, you can the magnetic field rotation direction that entire stator coil is rapidly completed measures, nothing
Model rotor is needed, accurately finds out whole line packet de-embedding and single packet de-embedding problem, and can also be accurately positioned instead by analysis waveform
Embedding packet, it is easy to repair.In addition, can also judge that the expected of motor turns to by analysis waveform, by analyzing main phase, secondary phase waveform
Phase order relation, it can be determined that the direction of rotation of the rotating excitation field generated when tested 16 indirect current of stator, that is, the stator
16 are assembled into the steering after motor.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in the essential scope of the present invention, should also belong to this hair
Bright protection domain.
Claims (8)
1. a kind of anti-loaded device for fast detecting of stator coil, which is characterized in that including supporting table, be installed in the supporting table following table
The power output shaft of the motor in face, motor is connected with shaft coupling, and coupler hole is provided in the supporting table, and the shaft coupling passes through
The coupler hole simultaneously extends to above the upper surface of supporting table, and the free end of the shaft coupling is fixed with two-way hall sensing
The upper surface of device, the supporting table is installed with reset switch, is installed with bulge-structure on the shaft coupling, the shaft coupling according to
When direction initialization turns an angle, the bulge-structure can trigger the reset switch, described in the upper table face ring of supporting table
Coupler hole is installed with the support ring frame for being used to support stator coil, the reset switch, motor and two-way Hall sensor
It is electrically connected with the controller respectively, tested stator coil is supported on the support ring frame, the anti-loaded quick detection of stator coil
Device is detected stator coil according to following detection method：
（1）, motor driving shaft coupling according to towards the direction of reset switch rotate, be installed on shaft coupling bulge-structure touching
Reset switch, the reset switch send reset signal to controller, and controller record current location is initial position；
（2）, for tested stator coil apply direct current, be tested in stator coil and generate stationary magnetic field, motor drives shaft coupling band
Dynamic two-way Hall sensor rotates 180 degree according to negative direction, and the two-way Hall sensor detection is tested the magnetic in stator coil
Field direction, and be converted to electric signal and be sent to the controller, the controller judges to be tested stator according to the waveform of electric signal
Whether coil is anti-loaded；
Step（2）In, controller compares the waveform of tested stator coil with reference waveform, according to the magnetic in same angle
Whether field intensity size, direction unanimously judge whether tested stator coil is qualified, if the same winding of tested stator coil
It differs greatly in same angular interval magnitude of field intensity or direction is on the contrary, then judge that windings section is anti-loaded or all anti-loaded；
If mistake occurs for the waveform phase relationship between the different windings of tested stator coil, judge that this is tested stator coil
Magnetic field rotation direction mistake.
2. the anti-loaded device for fast detecting of stator coil according to claim 1, which is characterized in that ring institute in the supporting table
It states coupler hole and is provided with circular arc cutaway, the circular arc cutaway is located on the inside of the support ring frame, and the reset switch is located at
The wherein an end portion of the circular arc cutaway, the anti-loaded device for fast detecting of stator coil further includes guide pin, described to lead
It is fixed to piece one end and the shaft coupling, other end bends downward and stretches in the circular arc cutaway, and two-way Hall passes
Connection electric wire between sensor and controller is fixed on the guide pin.
3. the anti-loaded device for fast detecting of stator coil according to claim 1 or 2, which is characterized in that the two-way Hall
The outer surface of sensor is also arranged with protective cover.
4. the anti-loaded device for fast detecting of stator coil according to claim 1 or 2, which is characterized in that the motor is step
Stepper motor.
5. the anti-loaded device for fast detecting of stator coil according to claim 1 or 2, which is characterized in that the controller is
DSP signal processors, the two-way Hall sensor output detection signal are sent after amplifying circuit, analog to digital conversion circuit successively
To the DSP signal processors.
6. the anti-loaded device for fast detecting of stator coil according to claim 1 or 2, which is characterized in that the bulge-structure
For screw.
7. the anti-loaded device for fast detecting of stator coil according to claim 1 or 2, which is characterized in that the support ring frame
Including supporting rack and the support ring for being installed in support frame as described above upper surface, support frame as described above is installed in the upper surface of the supporting table
On, the support ring is cyclic structure, and the inner ring surface of the support ring has the boss for being used to support stator coil.
8. the anti-loaded device for fast detecting of stator coil according to claim 1, which is characterized in that in the step（1）It
Before further include the steps that measurement standard stator coil magnetic field reference waveform, the step（2）In, the controller will be measured
The waveform of subcoil judges whether tested stator coil is anti-loaded compared with reference waveform.
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| CN201510339953.5A CN104898060B (en) | 2015-06-18 | 2015-06-18 | The anti-loaded device for fast detecting of stator coil |
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| CN201510339953.5A CN104898060B (en) | 2015-06-18 | 2015-06-18 | The anti-loaded device for fast detecting of stator coil |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106680657B (en) * | 2017-02-15 | 2023-10-24 | 苏州绿控新能源科技有限公司 | Motor stator winding detection equipment and corresponding detection method thereof |
| CN109212412B (en) * | 2017-07-05 | 2020-11-13 | 致茂电子(苏州)有限公司 | AC motor testing device and AC motor testing method |
| CN110470986B (en) * | 2019-08-12 | 2021-07-13 | 上海翡叶动力科技有限公司 | Safety detection device for motor test and detection analysis method |
| CN111707177A (en) * | 2020-06-22 | 2020-09-25 | 深圳核心医疗科技有限公司 | Hall signal calibration device and assembly method thereof, and calibration method of Hall signal |
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Effective date of registration: 20230830 Address after: Building 1, Building 1, No. 134 Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province, 266101 Patentee after: Qingdao Ainuo Instrument Co.,Ltd. Address before: 266000 No. 134, Zhuzhou Road, Laoshan District, Qingdao, Shandong Patentee before: QINGDAO AINUO INSTRUMENT Co.,Ltd. |